h4 {
    margin: 20px;
    text-align: center;
}
button {
    display: block;
    margin: 20px auto;
    border: none;
    background-color: transparent;
    border: none;
}
button::before{
    font-family: 'icomoon';
    content: '\e905';
    font-size: 30px;
    color: #383838;
}